A：①②
B：③④
C：①②③
D：①②③④
⑴How can you get to the school ?____
⑵Happy birthday !____
⑶What's the weather like in summer ?____
⑷May I speak to Mike ?____
⑸Where is your aunt from ?____
A、It's cold .
B、Shenzhen .
C、Thank you .
D、Take bus No.4 .
E、Yes , speaking .
已知a+b=5，ab=3，则1a+1b=____ ．
孙中山说：“如果我们从中华民国存在之日起就不去考虑如何防止资本主义在最近将来的孽生崛起，那么等待我们的就是比清朝专制暴政还要酷烈百倍的新专制暴政。”这句话的本质含义是（ ）
